ANSTO Publications Online >
ANSTO Publications >
Scientific and Technical Reports >

Please use this identifier to cite or link to this item: http://apo.ansto.gov.au/dspace/handle/10238/562

Title: Bacterial leaching of uranium ores - a review.
Authors: Lowson, RT
Issue Date: Nov-1975
Publisher: Australian Nuclear Science and Technology Organisation
Abstract: The bacterial leaching of uranium ores involves the bacterially catalysed oxidation of associated pyrite to sulphuric acid and Pe3+ by autotrophic bacteria and the leaching of the uranium by the resulting acidic, oxidising solution. Industrial application has been limited to Thiobacillus thiooxidans and Thiobacillus ferrooxidans at pH 2 to 3, and examples of these are described. The bacterial catalysis can be improved with nutrients or prevented with poisons. The kinetics of leaching are controlled by the bed depth, particle size, percolation rate, mineralogy and temperature. Current work is aimed at quantitatively defining the parameters controlling the kinetics and extending the method to alkaline conditions with other autotrophic bacteria.
URI: http://apo.ansto.gov.au/dspace/handle/10238/562
ISBN: 0642997233
Appears in Collections:Scientific and Technical Reports

Files in This Item:

File Description SizeFormat
AAEC-E-356.pdf1.3 MBAdobe PDFView/Open

Items in APO are protected by copyright, with all rights reserved, unless otherwise indicated.

 

Valid XHTML 1.0! DSpace Software Copyright © 2002-2010  Duraspace - Feedback